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Electrical potential energy - this is dependent on a charged object's position in an electri c field. Energy is transferred from one form to another when: Work is done - for example, when an object is squashed, kinetic energy is con verted into elastic potential energy.
To understand energy and conservation of energy, we must first define some terms: work, kinetic energy (KE), and potential energy (PE). We’ll get to PE in the next Chapter. Let’s look at work and KE. Definition of work done by a force: consider an object moving while a constant force F is applied to the object.
The terms ‘work’, ‘energy’ and ‘power’ are frequently used in everyday language. A farmer ploughing the field, a construction worker carrying bricks, a student studying for a competitive examination, an artist painting a beautiful landscape, all are said to be working. In physics, however,
A body that has energy may transfer some, or all, of its energy to another body. The total amount of energy remains constant (conserved) even if it has been transformed to another type. The amount of energy transformed (∆E) is called work W. The body losing energy does work, the body gaining energy has work done on it.
Power. Calculate power by calculating changes in energy over time. Examine power consumption and calculations of the cost of energy consumed. 7.8. Work, Energy, and Power in Humans. Explain the human body’s consumption of energy when at rest vs. when engaged in activities that do useful work.
Definition: The capacity to do work. Different types of energy . Kinetic Energy . Gravitational Potential Energy . Elastic Potential Energy . Sound, Thermal, Electrical, Light Energy . Conservation of Energy.
Chapter 1: Energy, Work, and Power. Energy is a very important concept both in physics and in our world at large. Energy takes various forms.
